Recent developments in Lie algebras, groups, and representation theory : 2009-2011 Southeastern Lie Theory Workshop series : Combinatorial Lie Theory and Applications, October 9-11, 2009, North Carolina State University : Homological Methods in Representation Theory, May 22-24, 2010, University of Georgia : Finite and Algebraic Groups, June 1-4, 2011, University of Virginia / Kailash C. Misra, Daniel K. Nakano, Brian J. Parshall, editors.